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Job Description:

  • 1) Sets up and operates piercing machine to shape metal tubes from billets or enlarge inside diameter of shells according to job order or blueprints: Selects, positions, and adjusts piercing rolls, which rotate and shape outside of tube, using hoists, wrenches, measuring instruments, and knowledge of metal properties.

  • 2) Attaches specified piercing point to arbor to form and control size of internal diameter of tube.

  • 3) Adjusts feed guides, stops, tailstock, and arbor rings according to size of workpiece, using handtools.

  • 4) Moves levers to control movement of heated billet as it advances through rolls and over piercing point.

  • 5) Measures finished workpiece to verify conformance to specifications, using calipers, fixed gauges, and micrometers.

  • 6) May be specified by employer according to experience with particular material worked or machine operated.




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End Of Job Description for: "PIERCING-MACHINE OPERATOR"
DOT:   613.482-014

Job Number: 7458